Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
10/2003
10/14/2003US6633629 Wave division multiplexed switch fabric
10/14/2003US6633614 Multicarrier personal access communication system
10/14/2003US6633429 Optical amplification method and device usable with bands other than the C-band
10/14/2003CA2257764C Network architecture for providing two-way broadband communications
10/14/2003CA2165194C Optical switch and transmitter and receiver for a multiplex transmission system including such a switch
10/09/2003WO2003084281A1 Optical communication management systems
10/09/2003WO2003084109A1 Synchronization system for all optical slotted ring dynamic networks
10/09/2003WO2003084100A1 System for compensating both chromatic dispersion and polarization mode dispersion
10/09/2003WO2003084082A2 Distributed terminal optical transmission system
10/09/2003WO2003030413A3 Fault signalling in optical communications networks
10/09/2003WO2003009509A3 Control system for an agile optical network
10/09/2003WO2002091634A3 Method and system for tuning an optical signal based on transmission conditions
10/09/2003WO2002087114A3 Optical encoding/decoding device
10/09/2003US20030190167 All-optical regenerator for wavelength-division multiplexed signals
10/09/2003US20030190166 Gain tilt compensators and their systems
10/09/2003US20030190121 Athermal tunable filter with wavelength and intensity responses based on volume phase hologram
10/09/2003US20030190109 Time slot tunable all-optical packet data demultiplexer
10/09/2003US20030189955 Survivable ring transmission system with multiple protection classes
10/09/2003US20030189925 Transparent flexible concatenation
10/09/2003US20030189920 Transmission device with data channel failure notification function during control channel failure
10/09/2003US20030189897 Dual line monitoring of 1‘protection with auto-switch
10/09/2003CA2424798A1 Athermal tunable filters with wavelength and intensity responses based on volume phase hologram
10/08/2003EP1351423A2 WDM transmission system
10/08/2003EP1350350A2 Athermalization and pressure desensitization of diffraction grating based spectrometer devices
10/08/2003EP1350349A1 Channel balancing of a wavelength division multiplexed optical signal
10/08/2003EP1350348A1 Ocdma network architectures, optical coders and methods for optical coding
10/08/2003EP1350347A1 Method and optical coder for coding a signal in an optical fibre network
10/08/2003CN2579094Y Flat-top pass band wave length division multiplexing components
10/08/2003CN2579093Y Integrated rarefaction wave length division multiplexer
10/08/2003CN1447554A Wave-division multiplexing transmission system for measuring dispersive charactoristic, light emitter and light receiver
10/08/2003CN1447553A Light transmission system and method
10/08/2003CN1447552A Wave-division multiplexing passive optical fiber network system
10/08/2003CN1447539A Two-Way light transmission system and station and sub-station used thereof
10/08/2003CN1124000C Signal light outputting appts. and optical transmission system having signal light outputting appts.
10/08/2003CA2424087A1 Optical demultiplexer and optical transmission system
10/07/2003US6631246 Wavelength division multiplexed optical communication system having tunable multi-channel dispersion compensating filters
10/07/2003US6631245 Device for extracting and inserting optical carriers in optical communications networks
10/07/2003US6631224 Tunable filter with core mode blocker
10/07/2003US6631026 Optical amplifier, excitation light source control method for use in optical amplifier, and optical amplifier control method
10/07/2003US6631019 Reconfigurable multichannel transmitter for dense wavelength division multiplexing (DWDM) optical communication
10/07/2003US6631018 WDM optical network with passive pass-through at each node
10/02/2003WO2003081944A1 Optical cross-connector containing a multi-stage clos network in which a single-stage matrix comprises one stage of the clos network
10/02/2003WO2003081826A2 Supervisory channel in an optical network system
10/02/2003WO2003081825A1 Optical access method and optical add/crop apparatus
10/02/2003WO2003081789A2 Tunable pulse width generation of return-to-zero format for system optimization
10/02/2003WO2003081324A1 Optical filter with dynamically controlled lineshape and method of operation
10/02/2003WO2003058303A3 Acousto-optic tunable apparatus having a fiber bragg grating and an offset core
10/02/2003WO2003028261A3 Topology discovery in optical wdm networks
10/02/2003WO2001097412A3 Optical communications system utilizing frequency division multiplexing
10/02/2003US20030185574 Reduces signal deterioration caused by dispersion even in a transmission system having a high-speed transmission rate, and is suited to a long-distance transmission.
10/02/2003US20030185570 Systems and methods for gain pre-compensation in optical communication systems
10/02/2003US20030185569 Photoelectric transfer element array directly and optically coupled to the optical demultiplexing component.
10/02/2003US20030185568 Chromatic dispersion compensating apparatus
10/02/2003US20030185567 Signal transmission method in WDM transmission system, and WDM terminal, optical add-drop multiplexer node, and network element used in the same system
10/02/2003US20030185566 Optical cross-connect device
10/02/2003US20030185565 Providing transparent (optical) switching of subsets of wavelengths in addition to opaque (electrical) switching of individual light paths.
10/02/2003US20030185563 Optical signal controller on an optical link between two optical nodes; compensating channels are combined with the optical signal to compensate for power variations in the signal channels passing between the nodes.
10/02/2003US20030185562 Split redundant trunk architecture using passive splitters and path switching
10/02/2003US20030185512 Optical multiplexer and method for its production
10/02/2003US20030185511 Optical grating device
10/02/2003US20030185503 Optical transmission systems and optical amplifiers for use therein
10/02/2003US20030185502 Optical receiving apparatus, optical transmitting apparatus, optical transmitting/receiving apparatus and optical transfer system
10/02/2003US20030185148 Spare path design method for communication network
10/02/2003US20030184846 Modular optical amplifier assembly and a method of assembly
10/02/2003US20030184843 Optical blocking filter having an array of micro-mirrors
10/02/2003CA2478869A1 Optical cross-connector containing a multi-stage clos network in which a single-stage matrix comprises one stage of the clos network
10/01/2003EP1349311A1 Optical packet time-compressor with delay loop for high-speed transmissions
10/01/2003EP1349310A2 Power balancing in DWDM optical networks
10/01/2003EP1349309A2 Method and system for control signaling in an open ring optical network
10/01/2003EP1349308A2 Flexible open ring optical network and method
10/01/2003EP1349301A2 Chromatic dispersion compensating apparatus
10/01/2003EP1348273A2 Network transceiver for extending the bandwidth of optical fiber-based network infrastructure
10/01/2003EP1348266A1 Control scheme for long wavelength channels in wideband wdm optical fiber transmission system
10/01/2003EP1348265A1 Maintaining quality of packet traffic in optical network when a failure of an optical link occurs
10/01/2003CN1445956A Dynamic multiple wavelength grouping ring transmission system
10/01/2003CN1445940A Method for transmitting data in billibit Enthenet passive optical fiber network
10/01/2003CN1445600A Computer program product, system and method for adjustable multimode wave division multi-channel multiplex Raman pump
09/2003
09/30/2003US6628871 Fiber fuse protection
09/30/2003US6628864 Optical code generation and detection
09/30/2003US6628850 Dynamic wavelength-selective grating modulator
09/30/2003US6628440 System for diverting an optical component signal from a multiplexed optical signal
09/30/2003US6626591 Method of reducing intensity distortion induced by cross phase modulation in a WDM optical fiber transmission system
09/30/2003US6626590 Optical communication network
09/29/2003CA2423241A1 Power balancing in dwdm optical networks
09/25/2003WO2003079597A1 Add/drop node for an optical communications network
09/25/2003WO2003079596A1 Method of determining a spectral route for a given connection in an optical telecommunication network
09/25/2003WO2003079592A1 Procedure for sorting flows in a transport network carrying circuit data flows
09/25/2003WO2003079586A1 Gain-providing optical power equalizer
09/25/2003WO2003079583A1 One-core two-way optical transmission system
09/25/2003WO2003079567A1 Method and system for providing a return path for signals generated by legacy terminals in an optical network
09/25/2003WO2003032550A9 Optical-inclusive dwdm local area network
09/25/2003US20030180051 Wavelength division multiplex transmission system or a polarisation division multiplex system with means for measuring dispersion characteristics, an optical transmitter, an optical receiver and a method therefore
09/25/2003US20030180049 Wavelength division multiplexing passive optical network system
09/25/2003US20030180048 Metropolitan area type optical telecommunications network comprising a ring type core
09/25/2003US20030180047 Fully protected broadcast and select all optical network
09/25/2003US20030180046 Method of transmitting optical packets on a high speed optical transmission link, an optical packet transmission system, an optical packet compression unit and an optical packet de-compression unit therefore
09/25/2003US20030180045 System and method for optical transmission
09/25/2003US20030180044 Method of locating faults in optical telecommunication networks
09/25/2003US20030180042 Method for visualization of optical network topology
09/25/2003US20030180020 Optical fiber of complex index profile
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